{% extends 'layout/manage.html' %}
{% load static %}
{% block title %}{% endblock %}

{% block css %}
    <style>
        .panel-default .panel-heading {
            display: flex;
            flex-direction: row;
            justify-content: space-between;
        }

        .panel-default > .panel-heading a {
            text-decoration: none;
        }

        .panel-default > .panel-heading span {
            padding: 0 5px;
        }

        .panel-default > .panel-heading .function .upload {
            overflow: hidden;
        }

        .panel-default > .panel-heading .function .upload input {
            opacity: 0;
            position: absolute;
            top: 0;
            bottom: 0;
            width: 76px;
            left: -2px;
            overflow: hidden;
        }

        .upload-progress {
            position: fixed;
            right: 2px;
            bottom: 2px;
            width: 400px;
        }

        .upload-progress .progress-error {
            color: red;
        }
    </style>
{% endblock %}

{% block content %}
    <div class="container-fluid">

        <div class="panel panel-default" style="margin-top: 20px">
            <!-- Default panel contents -->
            <div class="panel-heading">

                <div>
                    <a href="{% url 'file' project_id=request.web.project.id %}">
                        <i class="fa fa-home" aria-hidden="true"></i>
                        <span>文件库</span>
                    </a>
                    {% for record in breadcrimb_list %}
                        <a href="{% url 'file' project_id=request.web.project.id %}?folder={{ record.id }}">
                            <i class="fa fa-caret-right" aria-hidden="true"></i>
                            <span>{{ record.name }}</span>
                        </a>
                    {% endfor %}
                </div>
                <div class="function">
                    <div class="btn btn-primary btn-xs upload" style="position:relative ">
                        <div><i class="fa fa-upload" aria-hidden="true"></i> 上传文件</div>
                        <input type="file" multiple name="uploadFile" id="uploadFile">

                    </div>


                    <a class="btn btn-success btn-xs" data-toggle="modal" data-target="#addModal" data-whatever="新建文件夹">
                        <i class="fa fa-plus-circle" aria-hidden="true"></i>新建文件夹
                    </a>
                </div>

            </div>

            <!-- Table -->
            <table class="table">
                <thead>
                <tr>
                    <th>文件名</th>
                    <th>字节大小</th>
                    <th>最后更新者</th>
                    <th>最后更新时间</th>
                </tr>
                </thead>
                <tbody id="rowList">
                {% for item in file_object_list %}
                    <tr>
                        <td>
                            {% if item.file_type == 1 %}
                                <i class="fa fa-file" aria-hidden="true"></i> {{ item.name }}
                            {% else %}
                                <a href="{% url 'file' project_id=request.web.project.id %}?folder={{ item.id }}">
                                    <i class="fa fa-folder" aria-hidden="true"></i> {{ item.name }}
                                </a>
                            {% endif %}

                        </td>
                        <td>
                            {% if item.file_type == 1 %}
                                {{ item.file_size }}
                            {% else %}
                                -
                            {% endif %}
                        </td>
                        <td>{{ item.update_user.username }}</td>
                        <td>{{ item.update_datetime }}</td>
                        <td>
                            {% if item.file_type == 2 %}
                                <a type="button" class=" btn btn-primary btn-xs"
                                   data-toggle="modal"
                                   data-target="#addModal"
                                   data-name="{{ item.name }}"
                                   data-fid="{{ item.id }}"
                                   data-whatever="修改文件夹">
                                    <i class="fa fa-edit" aria-hidden="true"></i>
                                </a>
                            {% else %}
                                <a class=" btn btn-default btn-xs download"
                                   href="{% url 'file_download' project_id=request.web.project.id file_id=item.id %}">
                                    <i class="fa fa-cloud-download" aria-hidden="true"></i>
                                </a>
                            {% endif %}
                            <a type="button" class="btn btn-danger btn-xs"
                               data-toggle="modal"
                               data-fid="{{ item.id }}"
                               data-target="#alertModal">
                                <i class="fa fa-trash" aria-hidden="true"></i>
                            </a>
                        </td>

                    </tr>
                {% endfor %}
                </tbody>
            </table>
        </div>

    </div>

    <!-- Modal -->
    <div class="modal fade" id="addModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
        <div class="modal-dialog" role="document">
            <div class="modal-content">
                <div class="modal-header">
                    <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
                            aria-hidden="true">&times;</span></button>
                    <h4 class="modal-title" id="myModalLabel">Modal title</h4>
                </div>
                <div class="modal-body">

                    <form id="form">
                        {% csrf_token %}
                        <input class="hide" name="fid" id="fid" type="text">
                        {% for item in form %}

                            <div class="form-group">
                                <label for="{{ item.id_for_label }}">{{ item.label }}</label>
                                {{ item }}
                                <span class="error-msg">{{ item.errors.0 }}</span>
                            </div>

                        {% endfor %}
                    </form>


                </div>
                <div class="modal-footer">
                    <button type="button" class="btn btn-default" data-dismiss="modal">取 消</button>
                    <button type="button" id="btnFormSubmit" class="btn btn-primary">确 定</button>
                </div>
            </div>
        </div>
    </div>

    <div class="modal fade" id="alertModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel">
        <div class="modal-dialog" role="document">
            <div class="alert alert-danger alert-dismissible fade in" role="alert">
                <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span
                        aria-hidden="true">×</span></button>
                <h4>是否要确定删除？</h4>
                <p style="padding-top: 20px;padding-bottom: 20px">文件夹中包含的所有的文件都会被删除。</p>
                <p style="text-align: right">
                    <a class="btn btn-default btn-sm" data-dismiss="modal" aria-hidden="Close">取 消</a>
                    <button id="btnDelete" type="button" class="btn btn-danger btn-sm" fid="1">确 定</button>
                </p>
            </div>
        </div>
    </div>

    <div id="uploadProgress" class="upload-progress hide">
        <div class="panel panel-primary">
            <div class="panel-heading"><i class="fa fa-cloud-upload" aria-hidden="true"></i>上传进度</div>
            <table class="table">
                <tbody id="progressList">

                </tbody>
            </table>
        </div>
    </div>

    <div class="hide">
        <table id="progressTemplate">
            <tr>
                <td>
                    <div class="name">视频</div>
                    <div class="progress">
                        <div class="progress-bar progress-bar-success progress-bar-striped" role="progressbar"
                             aria-valuenow="0"
                             aria-valuemin="0"
                             aria-valuemax="100" style="width: 0;">
                            0%
                        </div>
                    </div>
                    <div class="progress-error"></div>
                </td>
            </tr>
        </table>

    </div>

    <div class="hide">
        <table id="rowTpl">
            <tr>
                <td>
                    <i class="fa fa-file" aria-hidden="true"></i> <span class="name"></span>
                </td>
                <td class="file-size"></td>
                <td class="update_user__username"></td>
                <td class="update_datetime"></td>
                <td>
                    <a class="btn btn-default btn-xs download">
                        <i class="fa fa-cloud-download" aria-hidden="true"></i>
                    </a>
                    <a class="btn btn-danger btn-xs delete"
                       data-toggle="modal"
                       data-target="#alertModal">
                        <i class="fa fa-trash" aria-hidden="true"></i>
                    </a>
                </td>
            </tr>
        </table>

    </div>

{% endblock %}

{% block js %}
    <script src="{% static 'web/js/cos-js-sdk-v5.min.js' %}"></script>
    <script>
        var FOLDER_URL = '{% url 'file' project_id=request.web.project.id %}';
        var FILE_DELETE_URL = '{% url 'file_delete' project_id=request.web.project.id %}';
        var COS_CREDENTIAL = '{% url 'cos_credential' project_id=request.web.project.id %}';
        var FILE_POST = '{% url 'file_post' project_id=request.web.project.id %}';
        var CURRENT_FOLDER_ID = "{{ folder_object.id }}";

        $(function () {
            initAddModal();
            bindModalSubmit();
            bindDeleteSubmit();
            bindUploadFile();
        });

        function bindUploadFile() {
            //获取临时凭证
            $('#uploadFile').change(function () {
                $('#progressList').empty();

                var filelist = $(this)[0].files;

                //获取本次要上传的文件的名称和大小
                var checkFileList = [];
                $.each(filelist, function (index, fileObject) {
                    checkFileList.push({"name": fileObject.name, "size": fileObject.size})
                });
                //将数据发送到django后台，进行容量的校验
                //没有问题，返回临时凭证，否则返回错误信息
                var cos_credential = new COS({
                    getAuthorization: function (options, callback) {
                        $.post(COS_CREDENTIAL, JSON.stringify(checkFileList), function (res) {

                            if (res.status) {
                                var credentials = res.data && res.data.credentials;
                                if (!res.data || !credentials) return console.error('credentials invalid');
                                callback({
                                    TmpSecretId: credentials.tmpSecretId,
                                    TmpSecretKey: credentials.tmpSecretKey,
                                    XCosSecurityToken: credentials.sessionToken,
                                    StartTime: res.data.startTime,
                                    ExpiredTime: res.data.expiredTime
                                });

                                //授权通过之后，展示进度条
                                $('#uploadProgress').removeClass('hide');

                            } else {
                                alert(res.error)
                            }
                        })
                    }
                });

                $.each(filelist, function (index, fileObject) {
                    //上传文件
                    var fileName = fileObject.name;
                    var fileSize = fileObject.size;
                    var key = (new Date()).getTime() + "_" + fileName;


                    var $tr = $('#progressTemplate').find('tr').clone();
                    $tr.find('.name').text(fileName);
                    $('#progressList').append($tr);

                    //异步上传
                    cos_credential.putObject({
                        Bucket: '{{request.web.project.bucket}}',
                        Region: '{{request.web.project.region}}',
                        Key: key,
                        Body: fileObject,
                        onProgress: function (progressData) {
                            console.log("文件上传进度--->", fileName, JSON.stringify(progressData))

                            var percent = progressData.percent * 100 + '%';
                            $tr.find('.progress-bar').text(percent)
                            $tr.find('.progress-bar').css('width', percent)
                        }
                    }, function (err, data) {
                        console.log(err || data);
                        if (data && data.statusCode == 200) {
                            //上传成功，将本次上传的文件上传到后台
                            $.post(FILE_POST, {
                                name: fileName,
                                key: key,
                                file_size: fileSize,
                                parent: CURRENT_FOLDER_ID,
                                etag: data.ETag,
                                file_path: data.Location
                            }, function (res) {
                                //数据库加入成功
                                var newTr = $('#rowTpl').find('tr').clone();
                                newTr.find('.name').text(res.data.name);
                                newTr.find('.file-size').text(res.data.file_size);
                                newTr.find('.update_user__username').text(res.data.username);
                                newTr.find('.update_datetime').text(res.data.datetime);
                                newTr.find('.delete').attr('data-fid', res.data.id);
                                newTr.find('.download').attr('href', res.data.download_url);
                                $('#rowList').append(newTr);

                                $tr.remove();
                            })
                        } else {
                            $tr.find('.progress-error').text('上传失败！')
                        }
                    });
                })
            });
        }


        function bindDeleteSubmit() {
            $("#btnDelete").click(function () {
                $.ajax({
                    //获取要删除那行的ID
                    url: FILE_DELETE_URL,
                    type: 'GET',
                    data: {'fid': $(this).attr('fid')},
                    success: function (res) {
                        if (res.status) {
                            location.href = location.href;
                        }
                    }
                })
            })
        }

        function initAddModal() {
            $('#addModal').on('show.bs.modal', function (event) {
                var button = $(event.relatedTarget); // Button that triggered the modal
                var recipient = button.data('whatever'); // Extract info from data-* attributes
                var fid = button.data('fid'); // Extract info from data-* attributes
                var name = button.data('name'); // Extract info from data-* attributes
                var modal = $(this);
                modal.find('.modal-title').text(recipient);

                if (fid) {
                    //编辑
                    modal.find('#id_name').val(name)
                    modal.find('#fid').val(fid)
                } else {
                    //新建
                    modal.find('.error-msg').empty();
                }
            });

            $('#alertModal').on('show.bs.modal', function (event) {
                var button = $(event.relatedTarget); // Button that triggered the modal
                var fid = button.data('fid'); // Extract info from data-* attributes
                $('#btnDelete').attr('fid', fid)
            })
        }

        function bindModalSubmit() {
            $('#btnFormSubmit').click(function () {
                $.ajax({
                    url: location.href,
                    type: 'POST',
                    data: $('#form').serialize(),
                    dataType: 'JSON',
                    success: function (res) {
                        if (res.status) {
                            location.href = location.href;
                        } else {
                            //展示错误信息
                            $.each(res.error, function (key, value) {
                                $('#id_' + key).next().text(value[0]);
                            })

                        }
                    }
                })
            })
        }
    </script>
{% endblock %}